The food warming box is the key secret to food preservation

The food warming box is the key secret to food preservation

Food insulated containers are crucial for food preservation, primarily due to their performance in the following areas:

Thermal insulation

Effectively blocking heat transfer: Food insulated containers are typically made of materials with low thermal conductivity, such as expanded polypropylene (EPP) and polystyrene (EPS). For example, EPP has a thermal conductivity of only 0.028-0.034 W/(m·K). This effectively reduces heat exchange between external heat and the food inside, maintaining a stable internal temperature and creating an ideal environment for food preservation.

Wide temperature adaptability: Some insulated containers maintain stable performance within a temperature range of -30°C to 110°C, meeting the needs of both frozen and hot food delivery, ensuring food is well preserved in various temperature environments.

Sealing
Preventing air and moisture ingress and egress: A good seal prevents air from entering, reducing oxygen's oxidative effects on food, inhibiting the growth and reproduction of microorganisms such as bacteria and mold, and extending the shelf life of food. It also prevents moisture loss within the container, maintaining the humidity of the food. This is especially important for high-water-content foods like fruits and vegetables, preventing them from drying out and spoiling due to water loss.

Prevents odor intrusion: Sealed insulated containers effectively isolate odors from outside, preventing food from being contaminated by foreign odors and preserving the original flavor and texture.

Safe and environmentally friendly materials

Meets food safety standards: Many food insulated containers use food-grade materials, such as EPP, which has been certified by the FDA and EU for food safety. This material eliminates the risk of plasticizer migration and allows direct contact with food, ensuring food safety and protecting consumer health.

Recyclable: Some insulated container materials, such as EPP, are recyclable. EPP is fully biodegradable and meets international environmental standards from raw materials to final processing. Its carbon footprint is over 40% lower than traditional materials, meeting environmental requirements and promoting resource recycling.

Reasonable structural design
Easy to place and secure food: The size and structural design of insulated containers are typically customized based on actual needs. The appropriate dimensions ensure that food is properly placed and secured within the container, preventing damage from shaking during transport. Some cleverly designed insulated boxes also come with accessories like dividers and fixing straps, allowing users to flexibly adjust them to the size and shape of food.

Sturdiness and Durability: The insulated box's body is sturdy and can withstand certain impacts. For example, rotationally molded boxes have a single-piece inner and outer shell, seamlessly preventing leaks. The insulation layer is also durable, resisting deformation and damage over time, making it reusable and cost-effective.

Other Features

Cold Storage: Insulated boxes combine cold storage and thermal insulation technologies. Using refrigerants with different phase transition temperatures, they maintain the desired refrigeration temperature for different foods. They can maintain a low temperature for extended periods even without power, making them suitable for long-distance transportation and field operations.

Intelligent Monitoring: Some intelligent food insulated boxes are equipped with a temperature monitoring system that monitors the temperature inside the box in real time and transmits this data to users via mobile apps, allowing them to monitor the freshness of their food and take timely action.